Gas-Filled Detectors

  • Gopal B. Saha


The operation of a gas-filled detector is based on the ionization of gas molecules by radiation, followed by collection of the ion pairs as charge or current with the application of a voltage between two electrodes. The measured charge or current is proportional to the applied voltage and the amount of radiation, and depends on the type and pressure of the gas.


Applied Voltage Ionization Chamber Dose Calibrator Nuclear Regulatory Commission Isotope Selector 
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Suggested Readings

  1. Hendee WR, Ritenour R. Medical Imaging Physics. St. Louis: Mosby Year Book; 1992.Google Scholar
  2. Ouseph PJ. Introduction to Nuclear Radiation Detectors. New York: Plenum Press; 1975.CrossRefGoogle Scholar
  3. Robinson CV. Geiger-Müller and proportional counters. In: Hine GJ, ed. Instrumentation in Nuclear Medicine. New York: Academic Press, 1967:57–72.Google Scholar
  4. Rollo FD, ed. Nuclear Medicine Physics, Instrumentation and Agents. St. Louis: Mosby; 1977.Google Scholar
  5. Sorensen JA, Phelps ME. Physics in Nuclear Medicine. 2nd ed. New York: Grune & Stratton; 1987.Google Scholar

Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Gopal B. Saha
    • 1
  1. 1.Department of Nuclear MedicineThe Cleveland Clinic FoundationClevelandUSA

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